3122757012 has 48 divisors (see below), whose sum is σ = 7615181952. Its totient is φ = 994097280.

The previous prime is 3122756977. The next prime is 3122757037. The reversal of 3122757012 is 2107572213.

3122757012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3122757012² = 19503222711990336288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173878 + ... + 190994.

It is an arithmetic number, because the mean of its divisors is an integer number (158649624).

Almost surely, 2^3122757012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122757012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3807590976).

3122757012 is an abundant number, since it is smaller than the sum of its proper divisors (4492424940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3122757012 is a wasteful number, since it uses less digits than its factorization.

3122757012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17808 (or 17806 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 3122757012 is about 55881.6339417523. The cubic root of 3122757012 is about 1461.6589967615.

The spelling of 3122757012 in words is "three billion, one hundred twenty-two million, seven hundred fifty-seven thousand, twelve".